The multiport active bridge (MAB) converter has been recently proposed aiming to increase the power density and the availability of electrical power distribution systems. However, the dynamic performance of proportional-integral (PI) controller for MAB voltage control is characterized by a relatively slow response and large overshoot. To address this issue, a power decoupling based configurable model predictive control (PDC-MPC) strategy inspired by the model predictive control (MPC) was developed. The proposed control strategy can achieve good transient performance and high control flexibility with good precision to comply to dc voltage regulations. In this article, the PDC-MPC was investigated and implemented in a triple active bridge (TAB) converter with multiwinding high frequency transformers. The operating principle of the PDC-MPC is divided into two phases: prediction of the dc current through a binary search and decoupling of the desired power of each isolated virtual branch to its phase shift angles under the single phase shift (SPS) modulation strategy. Steady-state and dynamic performances of the proposed PDC-MPC for TAB converters were analyzed using modified cost function and predictive models. Simulation and experiments were conducted to validate the theoretical analyses.


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    Title :

    Dynamic Performance Enhancement of a Triple Active Bridge With Power Decoupling-Based Configurable Model Predictive Control


    Contributors:
    Cai, Yicong (author) / Gu, Chunyang (author) / Li, Jing (author) / Yang, Jiajun (author) / Buticchi, Giampaolo (author) / Zhang, He (author)


    Publication date :

    2023-06-01


    Size :

    9154629 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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